Can I Use Dmg For Virtualbox

VirtualBox 6.0 was just released, so it's definitely a great time to get started with your own macOS. Extract macOS Sierra Make sure you've downloaded High Sierra, and then you'll want to run a few commands from your terminal. Published on July 4, 2013 by CrystalIDEA DMG is Mac OS X native disk image format while virtual machines (VmWare, Parallels or VirtualBox) are able to mount ISO images only. With AnyToISO program you can convert DMG to ISO and mount the resulting ISO image to your virtual machine (running Mac OS X).

You can run MacOS in Virtualbox. Because? Because.

In the pursuit of Hackintosh, you need a Mac. That's well and great, but I didn't want to screw around with my partner's Macbook. So what if you want to sandbox something? Virtualbox!

I had no expectations that this was going to work. OS X has always been runnable in Virtualbox for a while, but the performance has normally been lacklustre. While it's not exactly daily-driver level, the performance in Virtualbox wasn't too bad!

The macOS Virtualbox option is designed for genuine Apple hardware. You will not get community support from Virtualbox if you have trouble with this process, as it's against Apple ToS.

🤔️ What do I need?

You need a donor Mac to start this process. You will not need access to it permanently, but just during the process of creating an ISO for your VM to setup with. Else, you need:

• A Mac to create an ISO with.
• MacOS Mojave installer from the Mac App Store.
• Virtualbox (Windows, Linux or MacOS).
  • Virtualbox Extension Pack is required.
• At least 4GB of RAM (8GB or more recommended).
• 40GB of free disk space (more preferred).
• 2 core CPU or more.

This guide will discuss installing MacOS Mojave, however installation process should be similar for all MacOS versions.

⚠️ At the time of writing, Virtualbox and Hyper-V cannot co-exist on Windows. MacOS is also not installable on Hyper-V. I use Linux in my screenshots as I use Docker on Windows. This also includes Windows Subsystem for Linux, which tripped me up from installing.

💿 Creating the ISO

Virtualbox installs generally prefer to use an ISO file, which unfortunately will require some handiwork to get a hold of. Persevere and you will get there!

On the MacOS machine, download the Mojave installer. Don't worry about actually running this application, as we're going to use some terminal magic to build the ISO from the package.

This process is not affected by MacOS Installer expiry.If your MacOS installer has expired, you can continue with this guide.

Once the package has been downloaded, pop open Terminal (Utilities folder in Launcher), and run the following commands:

hdiutil create -o /tmp/Mojave.cdr -size 8000m -layout SPUD -fs JHFS+

This will create a virtual ‘disc' stored in your temporary directory. This is what we'll stuff the Mojave installation stuff into.

hdiutil attach /tmp/Mojave.cdr.dmg -noverify -nobrowse -mountpoint /Volumes/installer_goes_here

Now MacOS can ‘see' your disc as an actual disc, ready for writing to!

asr restore -source /Applications/Install macOS Mojave.app/Contents/SharedSupport/BaseSystem.dmg -target /Volumes/installer_goes_here -noprompt -noverify -erase

We're now grabbing the installation DMG from within the updater package, and storing it within the disc image. This will rename the disc image, so don't panic that ‘installer_goes_here' has vanished.

Now, detach the image from our MacOS. You can just eject it like regular DMGs. If not, run the command:

hdiutil detach /Volumes/OS X Base System

(it may change since OS X is legacy. To check, run ls /Volumes and see if it's there, renamed).

Now for the final process, let's convert our CDR image to an ISO!

hdiutil convert /tmp/Mojave.cdr.dmg -format UDTO -o ~/Desktop/Mojave.iso

You should now have a file on the Mac desktop called ‘Mojave.iso'. Congratulations, you have your installation disc! Copy this over to where your Virtualbox is setup. The Mac is no longer needed at this point.

🛠️ Setting up Virtualbox

⚠️ Before continuing, install the Virtualbox Extension Pack, if you haven't already. This comes with a special USB 3 driver that without, the Mac simply won't see USB devices.

Virtualbox has the option for a MacOS virtual machine in it's New VM dialog, but we will need to make further adjustments to make it truly Mac-ready.

Pop open Virtualbox, and Create a new Virtual Machine. Name this MacOS Mojave, and set it to Mac OS X (64-bit).

Set the RAM to 4096 MB (or higher if you can achieve it!).

When creating the disk, you can use either format versions. Dynamic will not immediately take up the storage size you chose, whereas Static immediately reserves the chosen size for the VM. The latter is slightly better for performance.

Now you should have a new, primed MacOS machine. But you will need to run some commands now. This can be hit-and-miss, and may require some Google-fu. The following works for my AMD FX computer:

Windows? Change VBoxManage to 'C:Program FilesOracleVirtualBoxVBoxManage.exe' (if you didn't change your Virtualbox install location).

The above does the following, in order of command:

• Sets a known CPU ID set that MacOS will recognise.
• Especially for AMD machines, changes what MacOS sees as your processor to something it supports.
• Tells MacOS you're installing Mojave onto a mid-2010 iMac. You can change this to your preference.
• These two specify a fake DMI, typically found in Apple PCs.
• A device key to pass system checks.

Before starting the VM, open the VM settings and make the following changes:

• System > Processor > Processor(s) is 2 or more.
• System > Acceleration > uncheck Enable Nested Paging.
• Display > Screen > Video Memory is 128MB.
• USB > USB 3.0 Controller.
  • If greyed/not there, you did not install additions.

With all that done, we're ready to start the VM!

You should be greeted with the following screen:

Click on the folder icon, and find your ISO created on the Mac before, then click Start.

And wait. yes, this process takes a long time. If your installation stops, try googling the last output message to see if there is a community fix, or post below… Otherwise, this is generally a slow process.

If all has gone well, you should be greeted by the MacOS installer language selection. If so, you're almost there! On the top menu, open Utilities > Disk Utility.

There should be a disk named VBOX HARDDISK or similar. This is the VDI you created during the setup process, and not your actual hard drive. So go ahead and full-erase this disk, with Mac OS Extended (Journaled) and GUID Partition Map.

Once the disk formatting has completed, close it down. You should now be able to start the installation!

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Once this is complete and you filled all the required details in, congratulations! You're running MacOS Mojave within Virtualbox!

❓ What works?

✔️ Does

• Screen (No 3D).
• Regular input methods (mouse sharing).
• Networking.
• USB devices.
• Mac App Store.

At the end of the day it's still a virtual machine, and a technically unsupported one at that. However, considering the matter it's still impressive how Virtualbox can cope with MacOS.

Files can be shared using typical Windows share features. If you share a folder on your network from your host machine, your Mac VM should be able to connect to it.

🌟 Special Thanks

This required a lot of Googling, and these are the people who saved me at the end of the process!

• This How-to Geek article, that started this whole process. They have a much better step-by-step guide on this!
• Forchia on Reddit for a different instruction set.
• miranhasan on Reddit for AMD processors.
• kvotheV on Reddit for disabling nested paging.

🐛 Troubleshooting

This is a difficult one, and will require investigation. I checked the logs as the error message said, and discovered:

HM: HMR3Init: Attempting fall back to NEM: AMD-V is not available

Obviously, check if this is enabled. If you're on a legacy BIOS computer, it's a straightfoward scan for AMD-V/VT-x in your settings. If it's UEFI, you're gonna have to Google it.

Strangely, on my machine it was enabled. Supposedly Virtualbox and Hyper-V can run side-by-side, so at this point I decided to remove Hyper-V, to see if that would improve. It didn't, but I forgot something. For this to work, you must turn off Windows Subsystem for Linux!

I completely forgot that WSL uses Hyper-V, and apparently still does when it's disabled. Unfortunately, it would seem (for me at least) you need to trade it off for macOS in Virtualbox.

I will retest this when WSL2 is launched.

Download macOS 10.15 Catalina VMDK File (Virtual Machine Images) With macOS 10.15 Catalina DMG File the installation of macOS 10.15 Catalina is not possible on VMWare and VirtualBox on Windows. However, if you are on a macOS it is possible. I just figured this out for a read/write dmg. You can use Disk Utility or hdiutil to convert a dmg to a read/write image. Once you have a read/write image you can use VBoxManage to convert it to a vmdk. A read/write image creates a file the size of the disk the image was created from so you will need a volume 2x the size of the original disk.

Pfeffer, Gerald; Majamaa, Kari; Turnbull, Douglass M.; Thorburn, David; Chinnery, Patrick F. About Herbs, Botanicals & Other Products. December 8, 2009. ,dmg.

macOS Catalina is the latest Mac Computer Operating system released by Apple Inc. To install macOS Catalina on any Mac Computer or Mac Laptop you need to download the macOS Catalina DMG File. Which is free to download from Apple official website, but for that, you need to have a developer account. Due to this, we will provide a direct download link for macOS Catalina DMG file on this article. The main goal of this article is to provide macOS Catalina in 3 Different formats of DMG file, ISO File and VMDK file. The ISO and VMDK files are used to install macOS Catalina on any virtual machine using any virtualization software like VMware and VirtualBox. This Virtualization software mostly used by windows users. by default you will not be to install any macOS operating system on VMware or VirtualBox as windows users but. the ISO and VMDK file will make it possible for you to install macOS Catalina on Virtual Machine as use macOS Catalina as a guest operating system as a windows users.

Oct 25, 2019 Ways to download macOS full offline installer DMG &APP for Catalina (10.15), High Sierra (10.13.6), and Mojave without App Store. A Mac OS DMG file allows you create bootable USB installer from Windows PC. High sierra installer dmg download. Are you looking for a direct download link for MacOS High Sierra ISO installer or dmg file for your Mac or Windows computer or virtual machine then you are at the right place. VirtualBox, Vmware.

There are many Virtual Disk formats, VDI, VMDK, VHD, VHDX, IMG, RAW, HDD, and many more. Unfortunately VHD and VHDX formats are amongst the least popular ones, but if you're running a Hyper-V server these are the only formats you can work with. Don't fret, there is a way to convert a lot of these. A word of caution when using qemu-img to convert images for use with VMWare Fusion - Fusion doesn't like disks that aren't sized exactly to the megabyte. If you have such a image make sure you resize to the nearest megabyte first then convert it to vmdk format. Not doing so will result in a vmdk that can be attached to a VM at install time but any attempts to add it to a VM at a later point. I'll show how to convert a VMWare VMDK image into raw disk format. If you are using a different virtualization platform such as Virtualbox, see this post on converting a VDI to a raw image. Qemu-img convert -f vmdk turnkey-core.vmdk -O raw turnkey-core.raw Next, mount the raw disk as a loopback device. Convert vmdk to dmg. Contribute to cybertk/vmdk2dmg development by creating an account on GitHub.

In case if you need macOS Catalina on any of the following format you can use the direct download links and install it on your Mac Computer or even on a virtual machine as windows users.

Download macOS Catalina DMG

Can I Use Dmg For Virtualbox 10

Downloading macOS Catalina DMG file from Apple store sounds easy but the problem is here that they will not provide a complete file of macOS Catalina the rest of the file will be downloaded during the installation of Catalina. But here we will provide you a direct download link to macOS Catalina complete file is completely offline installer.

The Catalina DMG file is about 6 GB and will be available for download as a single file from powerful cloud storage you will not face any issue during the download the Catalina DMG file.

Can I Use Dmg For Virtualbox Mac

Download macOS Catalina ISO

After Downloading macOS Catalina DMG file you need to convert that into ISO file in case if you need it for Virtual Machine or installing macOS Catalina from Bootable USB Flash Drive. To convert macOS Catalina from DMG to ISO file follow the below process which will help you to make the ISO file from DMG file.

1. Create a DMG Disk Image
   hdiutil create -o /tmp/Catalina -size 7900m -volname Catalina -layout SPUD -fs HFS+J
2. Mount it to your macOS
   hdiutil attach /tmp/Catalina.dmg -noverify -mountpoint /Volumes/Catalina
3. Create macOS Catalina Installer
   sudo /Applications/Install macOS Catalina Beta.app/Contents/Resources/createinstallmedia –volume /Volumes/Catalina –nointeraction
4. Unmount Catalina Disk
   hdiutil detach /volumes/Install macOS Catalina Beta
5. Convert the dmg file to an iso file
   hdiutil convert /tmp/Catalina.dmg -format UDTO -o ~/Desktop/Catalina.cdr
6. Rename and Move to Desktop
   mv ~/Desktop/Catalina.cdr ~/Desktop/Catalina.iso

Virtualbox Convert Vdi To Vmdk

Download macOS Catalina VMDK

macOS Catalina VMDK file is designed for Virtual Machine, even that is VMware or VirtualBox. The VMDK file format is only supported in Virtual Machine. Mostly Windows users use this method to install macOS on a Virtual Machine as Windows users. Apple doesn't Allow macOS Installation on any third-party software, that's why windows users useful tips and tricks to install macOS on a virtual machine. followings are the complete tutorial on how to install macOS on a Virtual Machine using VMware or VirtualBox Virtualization Software.

How to Install macOS on Vmware on Windows

How to Install macOS on VirtualBox on Windows

Convert Virtualbox To Vmware

If you need the macOS Catalina VMDK File use the below links for a direct download link you don't need to be worried about creating the VMDK file. that's a complicated process by downloading and following the installation guide you will able to install macOS on a Virtual Machine as Windows users.